Nanowerk

Piezoelectric metamaterial replaces hydrophone arrays for underwater sound source detection

A 3D-printed piezoelectric metamaterial uses topology-driven charge transport to locate underwater sound sources from a single compact transducer, replacing bulky hydrophone arrays.
IEEE

Millimeter-Wave Phased Array Antenna with High Gain, Low Grating Lobes, and Fewer Phase Shifters via Overlapped Large-Sized Elements

Abstract: This paper presents a millimeter-wave (mmWave) phased array antenna (PAA) design that reduces the required number of phase shifters while achieving high gain and low grating lobes for both ...
IEEE

Design of a Seamlessly Integrated Dielectric Resonator Antenna Array With Self-Decoupling Property for Millimeter-Wave Applications

Abstract: In this article, a novel substrate-integrated millimeter-wave (mm-Wave) dielectric resonator antenna (DRA) array is investigated. Unlike conventional designs, all DRA elements are seamlessly ...